1383784135776 has 96 divisors (see below), whose sum is σ = 4612613806080. Its totient is φ = 395366894208.

The previous prime is 1383784135693. The next prime is 1383784135793. The reversal of 1383784135776 is 6775314873831.

1383784135776 is a `hidden beast` number, since 1 + 3 + 83 + 78 + 413 + 5 + 7 + 76 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114394096 + ... + 114406191.

It is an arithmetic number, because the mean of its divisors is an integer number (48048060480).

Almost surely, 2^{1383784135776} is an apocalyptic number.

1383784135776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1383784135776 is an abundant number, since it is smaller than the sum of its proper divisors (3228829670304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1383784135776 is a wasteful number, since it uses less digits than its factorization.

1383784135776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228800313 (or 228800299 counting only the distinct ones).

The product of its digits is 71124480, while the sum is 63.

The spelling of 1383784135776 in words is "one trillion, three hundred eighty-three billion, seven hundred eighty-four million, one hundred thirty-five thousand, seven hundred seventy-six".